The Series: While the Padres have gone 50-35 over their last 85 games since June 8, the Rockies have gone 33-52 – for a 17-game swing. But the Rockies have a 5-4 edge on the Padres since June 8. Overall, the Rockies have an 8-7 edge on the Padres entering the final three games between the teams this season.

Chatwood, 22, was the Angels second-round pick in 2008. He was traded to the Rockies for catcher Chris Iannetta last Nov. 30. Chatwood has a 10-15 career record with a 4.90 ERA in 42 games (33 starts). He has pitched in 15 games this season with eight starts. He also made 13 starts in Double-A and Triple A this season with a 4.70 ERA. He made two relief appearances against the Padres earlier this season and allowed three runs on seven hits over two innings.

Cashner turned 26 on Sept. 11. He faced Rockies in two relief appearances earlier this season and didn’t give up a run in two innings. He is 0-0 with a 18.00ERA in four career relief appearances against the Rockies. This will be Cashner’s fifth start of the season and his second since coming off the disabled list. He held the Diamondbacks to two runs on four hits over five innings against Arizona last Friday night at Petco Park. Cashner is 3-1 with a 2.91 ERA at Petco Park in 18 games (one start).